Kimmel Center for Archaeological Science, Weizmann Institute of Science, Rehovoth 7610001, Israel Department of Plant and Environmental Sciences, Weizmann Institute of Science, Rehovoth 7610001, ...
Caffeine is a natural stimulant. However, some claim it interferes with the absorption of certain nutrients, such as iron. Caffeinated foods and beverages have become staples in most modern-day diets.